Home / 356,130.10-534,222.81-103,414.75

Finding the Fourth Proportional to 356,130.10, 534,222.81 and 103,414.75

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Solution

The fourth proportional to 356,130.10, 534,222.81 and 103,414.75 is: 155,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,130.10 : 534,222.81 = 103,414.75 : x
  2. Step 2: Convert to fraction form
    356,130.10/534,222.81 = 103,414.75/x
  3. Step 3: Cross multiply
    356,130.10x = 534,222.81 × 103,414.75
  4. Step 4: Simplify right side
    356,130.10x = 55,246,518,340.45
  5. Step 5: Solve for x
    x = 55,246,518,340.45/356,130.10
  6. Step 6: Final answer
    x = 155,130.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.